Cobaltoan Calcite

Oumlil Mine, Oumlil, Bou Azzer mining district, Zagora Province, Drâa-Tafilalet Region  Morocco (2013)

Specimen size: 10 × 6.2 × 4.3 cm = 3.94” × 2.44” × 1.69”
Main crystal size: 1.2 × 1.1 cm = 0.47” × 0.43”